Stackdriver Debugger Documentation

Stackdriver Debugger is a feature of Google Cloud Platform that lets you
inspect the state of an application, at any code location,
without stopping or slowing down the running app. Stackdriver Debugger makes it
easier to view the application state without adding logging statements.

You can use Stackdriver Debugger with any deployment of your application,
including test, development, and production. The debugger adds less than 10ms to
the request latency only when the application state is captured. In most cases,
this is not noticeable by users.